Cheap Flights from Sofia to Chicago
No deal from Sofia to Chicago has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Sofia to Chicago, the lowest round-trip fare we recorded was $638, in September. The typical fare was $738. September was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $769 on LOT, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/sofia">from Sofia</a>, <a href="/to/chicago">to Chicago</a>, or the return direction <a href="/from/chicago/to/sofia">Chicago to Sofia</a>.
Latest price we saw: Sofia to Chicago
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Sofia (SOF) to Chicago (ORD) | $769 | 7.4¢ | Feb 13 – Feb 19 | LOT | Oct 16 | Check price |
Price history: Sofia to Chicago
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $753 | $769 | 4 |
| Sep 2026 | $638 | $695 | 2 |
| Aug 2026 | $748 | $751 | 8 |
Frequently asked questions
How many flight deals from Sofia to Chicago are on Sparkflights right now?
There are 0 verified deals from Sofia to Chicago on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Sofia to Chicago?
The lowest fare we've recorded from Sofia to Chicago is $638, based on 14 price observations over 3 months.
How much does a flight from Sofia to Chicago cost?
The typical round-trip fare we observed from Sofia to Chicago is $738, against a recorded low of $638. These are observations, not quotes.
When is the cheapest month to fly Sofia to Chicago?
September was the cheapest month we observed from Sofia to Chicago and October the dearest, over 3 months of data.
What is the current price from Sofia to Chicago?
The most recent fare our sweep saw from Sofia to Chicago is $769, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.